[げん, gen] (n) (1) { math } unknown (e.g. in an equation); (2) { math } element (of a set); (3) yuan (monetary unit of China); (4) Yuan dynasty (China) #170
[もと, moto] (n) (1) (usu. 元) origin; source; (2) (esp. 基) base; basis; foundation; root; (3) (also 因, 原) cause; (4) (esp. 素) ingredient; material; (5) (元 only) (somebody's) side; (somebody's) location; (6) original cost (or capital, principal, etc.); (7) (plant) root; (tree) trunk; (8) (See 和歌) first section of a waka; (ctr) (9) (本 only) counter for blades of grass, tree trunks, etc., and for falcons (in falconry); (n) (10) handle (chopsticks, brush, etc.); grip; (P) #170
[もと, moto] (n, adj-no, n-adv, n-pref) former; ex- #170
[がんねん, gannen] (n-adv, n-t) first year (of a specific reign); (P) #1403
[もともと, motomoto] (adv, adj-no) originally; by nature; from the start; (P) #3082
[げんしゅ, genshu] (n) ruler; sovereign; (P) #3675
[げんごう, gengou] (n) era name; (P) #4522
[げんき, genki] (adj-na, n) health(y); robust; vigor; vigour; energy; vitality; vim; stamina; spirit; courage; pep; (P) #4695
[げんろく, genroku] (n) Genroku era (1688.9.30-1704.3.13); (P) #7082
[げんそ, genso] (n, adj-no) chemical element; (P) #7218